intellectual disability

American  

[in-tl-ek-choo-uhl dis-uh-bil-i-tee] / ˌɪn tlˈɛk tʃu əl ˌdɪs əˈbɪl ɪ ti /

noun

1. a developmental disorder characterized in varying degrees by significant limitations on intellectual abilities, such as learning, problem solving, and reasoning, and on adaptive abilities such as social and practical skills: the diagnostic term intellectual disability replaced the older designation mental retardation in the 2010s. ID

---

Etymology

Origin of intellectual disability

First recorded in 1805–10

Example Sentences

See Examples For:

intellectual disability

That is why the relevant clinical authorities all agree that an individual with an IQ score above 70 may properly be diagnosed with intellectual disability if significant limitations in adaptive functioning also exist.”

From Slate ● Dec. 8, 2025

Large numbers of those who commit capital crimes suffer from an intellectual disability.

From Slate ● Dec. 8, 2025

The research team also highlighted an unexpected finding: some participants showed only psychiatric symptoms, even though GRIN2A changes are usually linked to epilepsy or intellectual disability.

From Science Daily ● Dec. 2, 2025

Clinicians might also be less frequently assigning other labels such as intellectual disability, formally referred to as mental retardation, some data suggest.

From The Wall Street Journal ● Oct. 14, 2025

In 2002, there were about a hundred people with mental retardation facing execution when the Court banned the death penalty for people with intellectual disability.

From "Just Mercy" by Bryan Stevenson

Related Words

• cognitive impairment
• debilitation
• impairment
• incapacitation
• limitation
• restriction